var banner = new Array();

banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo10.png');
banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo11.png');
banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo12.png');
banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo13.png');
banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo14.png');
banner.push('https://i.servimg.com/u/f57/14/94/98/22/ohe_fo15.png');

document.getElementById('i_logo').src= banner[Math.floor(Math.random()*banner.length)];